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KEF Q550 vs Elac FS 147 Comparison

Comparison and Difference Between

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Brand and Model Specifications

Information about the brand, model release date.

ModelQ550FS 147
Release Date20172014
What Hi-Fi? Rating -
Amazon Rating

Technical Specs

Technical characteristics of the speakers.

Amplification TypePassivePassive
Crossover Type2½-way2½-way
Enclosure typeBass ReflexBass Reflex
Frequency Range (+/-3 dB)[Hz]58 - 2800038 - 50000
Frequency Range (-6dB)[Hz]--
Maximum SPL [dB]--
Sensitivity (2,83 V/1 m)[dB]8789
Nominal Impedance (Ohms)84
THD (Total Harmonic Distortion)--
Recommended Amplifier Power [W]15-13020-180
Crossover Frequency [Hz]25002700
Bass Reflex Tuning Frequency [Hz]--
Driver Units

Tweeter: 130mm (5.25in.) aluminum Uni-Q
25mm (1in.) vented aluminum dome HF
Mid/Bass Drivers: 130mm (5.25in.) aluminum LF
2x 130mm (5.25in.) aluminum ABR

Tweeter: 1 × JET III
Mid/Bass Drivers: 2 × 140 mm AS cone

InputsSingle WireSingle Wire
Magnetic ShieldingNoNo

Placements and Distances

Where and how to put them.

Form FactorFloorFloor
Distance from Wall [cm]1515

Dimensions and Weight

Physical characteristics of the speakers (without stands).

Length~7.08 in
~179.83 mm
~17.98 cm
~8.66 in
~219.96 mm
~22 cm
Width~10.94 in
~277.88 mm
~27.79 cm
~11.8 in
~299.72 mm
~29.97 cm
Height~34.37 in
~873 mm
~87.3 cm
~37.4 in
~949.96 mm
~95 cm
Weight (Single Speaker)~32 lb
~14514.96 g
~14.51 kg
~33.06 lb
~14995.76 g
~15 kg
Shipping Weight~41.2 lb
~18688.01 g
~18.69 kg
~33.06 lb
~14995.76 g
~15 kg

Colors and Accessories

List of available colors and optional accessories.

  • Satin white
  • Satin black
  • Walnut
  • Black Ash

  • M6 Spike
Detachable GrillesYesNo

Price and Warranty

Satisfaction is (not) guaranteed.

Warranty5 Years3 Years
Amazon Price


Small print and stuff...

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